update states on contract rename

mix/CodeModel.cpp

@@ -258,11 +258,16 @@ void CodeModel::runCompilationJob(int _jobId)
 				CompiledContract* contract = new CompiledContract(cs, name, source);
 				QQmlEngine::setObjectOwnership(contract, QQmlEngine::CppOwnership);
 				result[name] = contract;
-				CompiledContract* prevContract = m_contractMap.value(name);
+				CompiledContract* prevContract = nullptr;
+				for (ContractMap::const_iterator c = m_contractMap.cbegin(); c != m_contractMap.cend(); ++c)
+					if (c.value()->documentId() == contract->documentId())
+						prevContract = c.value();
 				if (prevContract != nullptr && prevContract->contractInterface() != result[name]->contractInterface())
 					emit contractInterfaceChanged(name);
 				if (prevContract == nullptr)
 					emit newContractCompiled(name);
+				else if (prevContract->contract()->name() != name)
+					emit contractRenamed(contract->documentId(), prevContract->contract()->name(), name);
 			}
 			releaseContracts();
 			m_contractMap.swap(result);

mix/CodeModel.h

@@ -165,6 +165,8 @@ signals:
 	void contractInterfaceChanged(QString _documentId);
 	/// Emitted if there is a new contract compiled for the first time
 	void newContractCompiled(QString _documentId);
+	/// Emitted if a contract name has been changed
+	void contractRenamed(QString _documentId, QString _oldName, QString _newName);
 
 public slots:
 	/// Update code model on source code change

mix/qml/ProjectList.qml

@@ -111,15 +111,16 @@ Item {
 
 						Connections {
 							target: codeModel
-							onCompilationComplete: {
-								if (modelData === "Contracts") {
+							onContractRenamed: {
+								if (modelData === "Contracts")
+								{
 									var ci = 0;
 									for (var si = 0; si < projectModel.listModel.count; si++) {
 										var document = projectModel.listModel.get(si);
 										if (document.isContract) {
 											var compiledDoc = codeModel.contractByDocumentId(document.documentId);
-											if (compiledDoc && compiledDoc.documentId === document.documentId && compiledDoc.contract.name !== document.name) {
-												document.name = compiledDoc.contract.name;
+											if (_documentId === document.documentId && _newName !== document.name) {
+												document.name = _newName;
 												projectModel.listModel.set(si, document);
 												sectionModel.set(ci, document);
 											}

mix/qml/StateListModel.qml

@@ -128,6 +128,9 @@ Item {
 		onNewContractCompiled: {
 			stateListModel.addNewContracts();
 		}
+		onContractRenamed: {
+			stateListModel.renameContracts(_oldName, _newName);
+		}
 	}
 
 	StateDialog {
@@ -206,11 +209,36 @@ Item {
 			return item;
 		}
 
+		function renameContracts(oldName, newName) {
+			var changed = false;
+			for(var c in codeModel.contracts) {
+				for (var s = 0; s < stateListModel.count; s++) {
+					var state = stateList[s];
+					for (var t = 0; t < state.transactions.length; t++) {
+						var transaction = state.transactions[t];
+						if (transaction.contractId === oldName) {
+							transaction.contractId = newName;
+							if (transaction.functionId === oldName)
+								transaction.functionId = newName;
+							changed = true;
+							state.transactions[t] = transaction;
+						}
+
+					}
+					stateListModel.set(s, state);
+					stateList[s] = state;
+				}
+			}
+			if (changed)
+				save();
+		}
+
 		function addNewContracts() {
 			//add new contracts for all states
+			var changed = false;
 			for(var c in codeModel.contracts) {
 				for (var s = 0; s < stateListModel.count; s++) {
-					var state = stateList[s];//toPlainStateItem(stateListModel.get(s));
+					var state = stateList[s];
 					for (var t = 0; t < state.transactions.length; t++) {
 						var transaction = state.transactions[t];
 						if (transaction.functionId === c && transaction.contractId === c)
@@ -223,13 +251,14 @@ Item {
 						ctorTr.contractId = c;
 						ctorTr.sender = state.accounts[0].secret;
 						state.transactions.push(ctorTr);
-						var item = state;//fromPlainStateItem(state);
-						stateListModel.set(s, item);
-						stateList[s] = item;
+						changed = true;
+						stateListModel.set(s, state);
+						stateList[s] = state;
 					}
 				}
 			}
-			save();
+			if (changed)
+				save();
 		}
 
 		function addState() {